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n2 - 10n + 21 = 0
Two numbers that sum to -10 and multiply to 21 are -3 and -7
So (n - 3)*(n - 7) = 0
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∙ 12y agoThis answer is:
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Wiki User
∙ 8y ago(n - 3)(n - 7)
This answer is:
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How can you get coefficients that are equal for y. 3x plus 5y equals 7 2x plus 15y equals 11?
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